baber/WOPTO huggingface dataset:
Patent DE-2339077-A1 (DE)
Title: Miniature D.C. motor with permanent magnet rotor - with single transistor controlled field circuit arranged for self starting
Inventor: MOCZALA HELMUT DR ING
IPC: H02P6/20
Filed: 1973-08-02
Abstract: The field winding of the motor is switched by a main transistor whose base current is controlled by a second transistor. The base of the latter is connected to one pole of the power supply, and, via a blocking diode and control winding to the other pole. If the power is switched on with the motor stopped both transistors turn on and the motor turns. When, due to rotation of the permanent magnet rotor, the polarity of the control winding changes the transistor bias changes and the circuit blocks, the motor running on under the influence of auxiliary permanent magnets on the stator, until, with a further reversal of control, the conducting period restarts. The arrangement eliminates the need for three field windings and their associated transistors.
Patent DE-2341525-A1 (DE)
Title: Machine mounting semiconductor gold pads onto lead frame - uses wire fed to press and cutter by moving jaws
Inventor: HERRMANN EGGERT
IPC: H01L21/00
Filed: 1973-08-16
Abstract: The machine automatically mounts semiconductor gold pads onto a lead frame and has a magazine for gold wire, a pressure head and cutting device to cut the wire to length and press it onto the lead frame, and a transport device which draws the wire from the magazine and passes it to the press and cutting device. The transport device has a moving clamp whose pivoted jaws are operated so that they close around the gold wire as the clamp moves in the feed direction towards the pressure head and cutting device and open as the clamp moves back in the opposite direction.
Patent DE-2345086-A1 (DE)
Title: Combustion furnace for perfect waste burning - has primary and secondary combustion chambers with oil burner and fan
Inventor: SANGA YASUHIRO
IPC: F23G5/16
Filed: 1973-09-06
Abstract: A combination furnace comprising a primary combustion chamber having a roaster a flue chamber, and a secondary combustion chamber, the chambers being connected and a conically or pyramidally shaped heat resisting steel grate placed in the flue chamber with its tapered end towards the primary combustion chamber from the secondary combustion. The grate is to be heated to a temp. to oxidise the gaseous products from the roaster before entering the secondary combustion chamber. Additional air to be introduced into the secondary combustion chamber to complete the combustion.
Patent DE-2355219-A1 (DE)
Title: Electronic musical instrument - operated by keyboard(s) and has wooden resonator(s) instead of loudspeaker
Inventor: ROHLFF JOHANNES
IPC: G10H1/00
Filed: 1973-11-05
Abstract: Electronic musical instrument is controlled by manual or pedal keys of other actuators, with a wooden resonator instead of a loudspeaker. Pref. the resonator consists of a floor and roof interconnected by a rib. The roof has sound hole(s), and the floor is connected to electromagnetic system(s) which can be excited by the musical instrument, e.g. by an electronic frequency generator. The instrument may have several such resonators, which may be of different shape and size. Fine tone colour and loudness differences result within the scale, and likewise for individual notes or sound, caused chiefly by the special distortion of the original electrical oscillation.
Patent DE-2404836-A1 (DE)
Title: Metal-framed double-glazed window case - has bevelled bars embedded in hard foamed layer and holed for insulation
Inventor: VIESSMANN HANS
IPC: E06B3/26
Filed: 1974-02-01
Abstract: The case, esp. for double-glazed windows, comprises a metal frame cladding the soffit, made of bevel-edge or similarly shaped bars from a metal strip. At least in their central area, these are embedded in a layer of polyurethane or other hard-foamed material. The purpose of perforating the metal strips in this area, or completely separating them is to reduce to a minimum their heat and sound conductive cross-section. The holes with which they are perforated may have arched edges, and the edges of separations may be anchor-shaped. The top and bottom bars may be inwards open box sections, with a ventilating slit on the room side of the top one and the outside of the bottom one, and with filter elements behind these.
Patent DE-2406210-A1 (DE)
Title: Cable shaft cover - has steel cover trough and skin for concrete filling, and welded bolts or stamped-out tongues for holding filling
Inventor: STEWING ALBERT
IPC: E02D29/14
Filed: 1974-02-09
Abstract: Cable shaft cover consists of a cover frame and at least one cover which can be inset in it with steel fittings and concrete filling. The steel fittings form a cover trough, with a steel skin for the concrete filling. Preferably the trough floor and/or its sidewalls have cantilevered-out connectors for the filling; these elements are bolts, e.g. welded-on headed bolts, or may be steel tongues stamped out of the trough floor and/or sidewalls, and of polygonal, e.g. triangular, shape, with a kneeing-in about their long axis. The cover has a low wt. and can easily be mfrd., with adequate strength.
Patent DE-2406611-A1 (DE)
Title: Pedal controlled infinitely variable transmission - with hand operated direction lever to couple pedal to respective linkage
Inventor: GOETZ BERNHARD
IPC: F16H59/06
Filed: 1974-02-12
Abstract: The foot pedal operates a linkage which controls the swing of a main control lever. This lever is mounted on a shaft which also supports two smaller levers which are linked to the transmission control leverl by two rigid push rods. A hand operated linkage moves a coupling sleeve up the main lever shaft and couples this to either small lever. This couples the foot pedal linkage to either push rod, with each push rod moving the transmission control lever in a different direction, for the same direction of movement of the shaft. The coupling sleeve is arranged so that it couples to either push rod and cannot be set in between setting.
Patent DE-2411023-A1 (DE)
Title: Servo drive for sliding roof panel - with gear segment engaging wedges to raise roof
Inventor: FISCHER KARL
IPC: B60J7/02
Filed: 1974-03-07
Abstract: The sliding panel is driven by a servo motor which drives a gear segment via a pinion, with the gear segment directly connected to a drive arm. This operates on a lever which is linked to the cross bar of the sliding roof panel to drive it across the opening. The lever operates on wedge surfaces at the end of its travel so that the panel is raised into place flush with the roof line. The whole drive mechanism can be unclipped as a unit by being mounted on a subplate. This provides easy access for lubricating the guides and freeing the mechanism when it jams.
Patent DE-2412190-A1 (DE)
Title: Single pipe radiator valve - has extended pipe within radiator header in two parts, ends having leakproof compression fitting
Inventor: WILFER ERWIN
IPC: F24H9/12
Filed: 1974-03-14
Abstract: One part of the extended pipe is within the valve body, the other is fixed coaxially within the bushing screwed into the radiator header. Both parts of the extended pipe have the same OD and ID and are provided with external and internal tapers designed to give a compression-type leak-proof connection when the valve is assembled and fixed to the radiator. The angle of the external taper is larger than the angle of the internal taper. As an alternative, the two parts of the extended pipe can be fitted together in a telescopic fashion. The exact coaxial position of the extended pipe within the bushing is maintained by three radially distributed and longitudinally staggered stay pins.
Patent DE-2416110-A1 (DE)
Title: Variable output brake or clutch pedal - having linkage coupled to pedal by alternatively acting pivots
Inventor: KRONIGER WILHELM
IPC: G05G7/04
Filed: 1974-04-03
Abstract: The brake/clutch hydraulic master cylinder is operated by a plunger attached to a U-shaped bracket, with the bracket having its two limbs on either side of the operating pedal. Two open slots are cut in each limb and these engage pegs in the sides of the pedal. The coupling of the slots with the pegs alters the mechanical advantage of the pedal, with the first part of the pedal movement using the first peg, then both pegs and finally the rear peg. The brake/clutch is brought into action by a small pedal travel after which increasing pedal travel is provided for good mechanical advantage.
Patent DE-2416670-A1 (DE)
Title: Green-black trisazo dyes for leather, cellulosics, etc. - contg. amino-hydroxynaphthalene-sulphonic acid gps
Inventor: HANSEN GUENTER DIPL CHEM DR
IPC: C09B35/46
Filed: 1974-04-05
Abstract: The tris-azo dyes of formula (I) in the free acid from: (where A is the radical of an aromatic diazotisable component; B is the radical of an aromatic hydroxylated and/or aminated coupling component; n = 1 or 2; one X is OH and the other is NH2; Z is a radical of formula (II): in which Y is -SO2-NR; R is H, opt. substd.alkyl, or benzyl; R1 is H, Cl, Br, 1-4C alkyl, CN, COOH, MeO, EtO or NO2; R2 is H, Cl or 1-4C alkyl; R3 is H, Cl, Br, 1-4C alkyl, CN, MeO, EtOH, OH, COOH, NO2 or sulpho; R4 is H, Cl or Br; the azo gps. linked to Z are not in posn. 4:41 when both benzene rings are unsubstd. or monosubstd.), are used as green-black dyes for leather and also for natural or synthetic fibres contg. OH gps. e.g., cellulose, cotton, regenerated cellulose, wool, silk, nylon, and paper.
Patent DE-2425686-A1 (DE)
Title: Rectifier current measuring device - current transformers with primary windings connected to rectifier A.C. leads
Inventor: AMELUNXEN BERND DIPL ING
IPC: H02H7/12
Filed: 1974-05-28
Abstract: The secondary circuits of the current transformers contain a diode in series with a load resistor. The load resistor is in series with a bipolar voltage limiter with Zener characteristics, and two antiparallel diodes are connected to the output of the resistor. Two anti-parallel current paths in a transformer secondary circuit, each consist of at least a diode, a load resistor and a voltage limiting component. The secondary circuits of several transformers are connected through an open single phase bridge circuit to the above antiparallel current paths, each with a load resistor and a Zener diode.
Patent DE-2425906-A1 (DE)
Title: Variable resistor with coaxial friction-coupled shafts - has snap-action mechanism allowing selection of pre-set resistance
Inventor: OKA SHUNZO
IPC: H01C10/32
Filed: 1974-05-30
Abstract: The variable resistor has an inner shaft and an outer shaft which can rotate together due to the friction between them. A slider arm is held by a support carried by one of the two shafts. The slider arm electrically bridges a resistance part and a contact part. The other shaft carries a switching plate. A ratchet mechanism consists of a snap-action spring that is fixed at one end to the ratchet plate and carries a snap-in device at the other end. The snap-action mechanism allows a previously set resistance to be obtained repeatedly without re-setting.
Patent DE-2434702-A1 (DE)
Title: Dry electric contact for anodic oxidn of aluminium foil - results in improved properties of aluminium electrolytic capacitors
Inventor: FICKELSCHER HORST DIPL PHYS
IPC: C25D17/00
Filed: 1974-07-18
Abstract: Arrangement for making a dry electrical contact with aluminium foil, esp. surface-roughened Al foil provided with layers of baked oxide, in forming baths (for anodic oxidn.), uses a metal contact roll and a rubber-clad press. roll. The contact roll is coated with a thin layer of gold. The contact roll is pref. made of copper or silver and the thickness of the gold is pref. 10-20 mu m; the surface of the gold is pref. roughened by treating it with emery paper of 120-240 grain (grain size approx. 100 mu m). Used in the mfr. of aluminium electrolytic capacitors. The wet, electrolytic method of making contact is eliminated and the danger of elements such as Fe or Cr being transferred to the foil is also avoided. The result is that the capacitors have better electrical properties, e.g. ithe leakage current after life testing is halved so high-quality capacitors for photoflash use can be made.
Patent DE-2436013-A1 (DE)
Title: Non-recursive digital filter for filter multiplex operation - uses band-pass scanning at filter outputs in all filter channels
Inventor: SCHALLER WOLFGANG DR ING
IPC: H03H17/06
Filed: 1974-07-26
Abstract: In order to carry out quick folding in several channels, a first Fourier computing unit follows the scanning device. An analogue-digital converter and a first store, combine the incoming signals in the form of digital numbers in blocks of length N; A computer unit carries out discrete Fourier transformation of input signals; a second store stores blocks of Fourier transforms and a third store stores the characteristic data of each channel. Filter coefficients Hn(i), and a parameter Ni define the position of the lower channel edge, and a number N; shows how many Fourier coefficients fall in the channel; a control unit combines Fourier coefficients in groups and applies them to a multiplier in which each Fourier coefficient is weighted by a filter coefficient.
Patent DE-2450819-A1 (DE)
Title: Hydraulic mining of coal - using at least one upward entry at five degree slope
Inventor: SIELING RONALD
IPC: E21C25/60
Filed: 1974-10-25
Abstract: Proposed is a method of hydraulically mining coal from a panel of coal of preselected average thickness comprising: (1) Driving at least one entry upward through the panel to a predetermined terminus thereof at an average slope of at least about 5 degrees. (2) Positioning a monitor within the entry, the monitor comprising a nozzle having a diameter of from about 18 to about 40 mm adapted for pivotal motion vertically and horizontally, and being connected to means for receiving water under pressure. (3) Ejecting a jet of high pressure water at a pressure of from about 500, to about 3000 psi and at a flow rate of from about 500 to about 3000 gpm from the nozzle against the panel of coal to cut the coal from the face and break the coal into pieces. (4) Feeding the cut and broken coal to transport the coal from the face area to reduce the lumps to less than about 6 inches maximum cross-section, and (5) Feeding the coal to a fluming system positioned within the entry to enable the mined coal to be transported with the water from the nozzle as a coal-water slurry having a coal-water ratio of from about 1:2 to about 4:1.
Patent DE-2460717-A1 (DE)
Title: High voltage measurement using a capacitance voltage divider - is in metal encapsulated configuration using electrical insulator with good thermal conductivity
Inventor: KLEEN GERHARD
IPC: G01R15/16
Filed: 1974-12-19
Abstract: The high voltage measurement circuit consists of a capacitance voltage divider on a fully insulated, metal encapsulated arrangement. The high voltage terminal (2) is embedded in a roughly cylindrical insulated block (1) which is surrounded by a metal encapsulation (14). This is surrounded by a space (8) filled with an insulator with good heat conducting properties, and outside this, embedded in another hat shaped insulating block, are the lower voltage cylindrical capacitance plates (6). The output terminals are connected across this. A second slightly different physical form of lower voltage capacitance plates may be used.
Patent DE-2519333-A1 (DE)
Title: Connection mechanism for elevator belting - has two cylindrical drums with ratchet spindle support and belt slot
Inventor: BLAETTERMANN KARL-GUENTHER
IPC: F16G3/06
Filed: 1975-04-30
Abstract: The design is particularly intended for elevator belting. It is based on a clamp pressed onto the belt end. The chance of belt failure due to pressure at the belt end is reduced. Each clamp (6)is designed as a cylinder with circular cross-section, and the end of the belt (3) is wound round the cylinder by over 360 deg., typically 540 deg. There is a slot (12) in the drum into which the belt end is inserted. Where two drums are used, they are kept in position by end plates (13) and are prevented from rotating by a ratchet system. The drums are held by shafts which can be of multi-sided cross-section rather than circular cross-section. A support wedge (16) fits at the base between the drums.
Patent DE-2521191-A1 (DE)
Inventor: MUELLER-OSTHOLT NORBERT ING GR
IPC: G01R19/255
Filed: 1975-05-13
Abstract: The basic device (1) for measuring an input voltage Ux contains a generator (11) predetermining a counting cycle (d), a multi-decade counter (10) with memory (12) and display (100) and an integration circuit (13) and a comparator circuit (15). The counter overflow triggers the integration circuit (13) and the voltage supplied by the latter is compared with the input voltage Ux in the comparator circuit (15), a memory clock pulse (2) being output in the case of equality. The basic section is connected to a measurement-value integrator (5) which comprises a logic stage (2) which is operated via a first timing stage (M1) responding to a start command and integrates a sum measurement value from the counter overflow (b), memory clock pulse (c) and counting clock (d) signals, and furthermore a counting stage (4) with display (40) and a second timing stage (M2) with the "completed" message (e). The present digital volt meter directly supplies informative sum measurement values instead of greatly fluctuating individual measurement values. <IMAGE>
Patent DE-2530057-A1 (DE)
Title: Aerial flare with balloon brake - uses burning of propulsive medium for visible and/or infra red light emission
Inventor: EICKMANN HANS JOACHIM ING GRAD
IPC: F42B4/12
Filed: 1975-07-05
Abstract: The aerial flare rises 50 to 200m to give light in the visible and/or infra red spectral regions for 50 to 100 seconds has a housing and a radiator seating mounted within another housing inside the main housing. There is an ejector and propulsion system with drive power and ignition system. It is constructed such that the seating ignitor (18) is mounted in the drive or propulsion level (12). The braking system (9) comprising a ballon which is filled with gas is mounted on the side of the radiator seat (11) which is directed away from the drive or propulsion level (12). The ejector is at the same leve as as the propellant (12).
Patent DE-2530066-A1 (DE)
Title: Electro pneumatic water level control system - with silt blockage prevention using bell shaped dip tube extension
Inventor: HUBER ANTON
IPC: G05D9/12
Filed: 1975-07-05
Abstract: The electro-pneumatic fluid level control arrangement is partic. suitable for water systems and is modified to avoid control function impairment through silting causing sampling tube blockage. The level of water in a sump (1) is sampled by a narrow dip tube (2) which is connected via a pipe (4) to an air chamber (5). The chamber air pressure operates on a membrane (6) and rod (7) assembly against a spring (8), and depends on the fluid level. When the level drops below a defined value, a mercury switch assembly (10, 9) is operated via a linkage (11) on the rod. A pump then delivers more water to the sump until switched off again by the mercury switch. To avoid silt blockage of the lower and (18) of the tube (2) a bell shaped extension (17, 16) is fitted over it with its opening close to the sump floor n3).
Patent DE-2547731-A1 (DE)
Title: Door or window U-sectioned frame alignment device - with spacer passing over wedge in U base, pressed against opening
Inventor: LAGENHORST GUENTER ING GRAD
IPC: E06B1/60
Filed: 1975-10-24
Abstract: The adjusting device facilitates correctly aligned setting of a door or window frame, being built into a frame opening. An adjusting wedge (7) is operable from the outside is fitted on the U-base (5) of one of two interconnected frame U-section units, between the arms (6). This has a space retainer fitted to it working against the frame opening (8). The wedge can pass below the spacer to press it against the opening and it is fixed against the wedge on the frame unit with a return action effect. The spacer and guide frame may comprise a single unit of resiliently elastic plastic.
Patent DE-2601352-A1 (DE)
Title: Detection method for direction of motion using doppler speedometer - involves part of transmitter frequency mixed with reflected signal and use of flip flop for tripping
Inventor: AFFOLTER PETER DR
IPC: G01S13/62
Filed: 1976-01-15
Abstract: The transmitter frequency is mixed with the reflected signal in a microwave diode. An additional mixing is carried out in a second microwave diode, with the phase of one of the two signals shifted by 90 deg. so that outputs of this Doppler speedometer deliver two signals whose phases also differ. These signals are applied to a flip flop each (ST1, ST2) whose tripping levels are the same. Sequence in time of tripping points (M, B, K, L) of both flip flops is detected. The sequence is characteristic for the object direction of motion.
Patent DE-2601381-A1 (DE)
Title: Imitation wood beam or plank comprising a plastic core - and decorative coating
Inventor: FRIEMUTH BERND
IPC: B44F9/02
Filed: 1976-01-15
Abstract: Mfr. of imitation wood beams, boards or the like, consisting of a plastics core and a decorative coating, comprises (a) coating the core with a shapeable mass which hardens at a later stage, so as to adhesively cover the surface of the core; (b) shaping the mass and making a decorative top layer; (c) pref. painting the mass with a glaze or coloured varnish. Pref. the core is made of polystyrene hard foam. The decorative coating is a coloured adhesive whose surface texture may be manually applied with the aid of a spatula. The decorative layer may be covered with a thin e.g. PVC film. The "wood" texture is then embossed with a stamp or punch and the film stripped off. The article can be mfd. in practically any desired length. A large variety of wood-imitating coatings may be applied. Suitable tinting to imitate various wood colours is relatively simple.
Patent DE-2603851-A1 (DE)
Title: Snowplough with hinged ploughshare side wings - has each side wing hinged to central plough frame by inclined axle
Inventor: GRUEBLER WALTER DIPL ING
IPC: E01H5/06
Filed: 1976-02-02
Abstract: The snowplough for attachment to the front of a vehicle can have variable width to enable it to be matched to the width of the roadway being cleared. This is achieved by having a central plough section on either side of which a plough-shared side wing is hinged. Each side wing (6') can be swivelled upwards away from the road surface about an axle (10) inclined at an acute angle to the road surface. The upper axle end (o) is positioned further away from the vehicle than the lower axle and (u). Each side wing is balanced by an elastic weight equaliser which holds it either in its lower operational position or in its upper inactive location.
Patent DE-2609928-A1 (DE)
Title: Trailer with height control suspension - with half lead spring and ram supported trailing arms to drop loading platform to ground
Inventor: BLOMENROEHR ANTON
IPC: B60P1/02
Filed: 1976-03-10
Abstract: The trailer axle is supported at the end of a trailing arm (15) with the trailing side of the axis joined to the chassis by a half spring (17). A hydraulic ram (28) is connected between the chassis mounting point of the half leaf spring and a triangular frame (21, 22) set rigidly on the trailing arm, and above the axle. Operation of the ram pulls the axle upwards and drops the loading platform to the ground. The ram also operates as a damper with the loading platform in the raised position, and is protected from damage by its above axle mounting. The lifting control for the load platform is simple to set up and can easily be removed for repair.